The NETWORKDAYS function in Excel is a date and time function that returns the number of whole working days between Start_date and End_date.

Bookkeepers, project managers, HR departments and more use the Excel Date & Time functions WEEKNUM, ISOWEEKNUM, WORKDAY, WORKDAY.INTL to calculate time. Here's how.

DATEDIF(), which means Date + Dif, is a compatibility function left over from Lotus 1-2-3 that Microsoft adopted in Excel version 2000. It's fallen off current Excel menus, but you can still use ...

How to Use the IF Function in Excel to See Who Has Paid. Excel's IF function validates a cell's contents, determining whether it meets criteria that you set. It provides no information beyond what ...

On Monday, the company announced that its Copilot AI is now available as an Excel function for Microsoft 365 insiders. That means you can add COPILOT to a formula and then use natural language in a ...

Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn how to use formulas and explore some popular built-in functions.

The Excel WORKDAY function's purpose is to return the serial number of the date before and after a specified number of workdays. Learn how to use it.

Excel for the web now supports conditional formatting, and the interface is easier to use than the desktop edition. Susan Harkins shows you how to use it.